<div class="form">
	<div class="formTitle">
		<div class="l" id="printview_title"></div>
		<div class="r">
			<button onclick="WebPrint.preview('billview')">打印预览</button>
	 		<button onclick="WebPrint.print('billview')">打印</button>
	 		<button onclick="onCancel();">返 回</button>
		</div>
	</div>
	<div id="billview"  align='center'></div>
</div>